<template>
  <div>
    <a-form-model ref="form" :model="model" :rules="validatorRules">
      <a-form-model-item required prop="username">
        <a-input v-model="model.username" size="large" placeholder="请输入帐户名">
          <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
        </a-input>
      </a-form-model-item>
      <a-form-model-item required prop="password">
        <a-input v-model="model.password" size="large" type="password" autocomplete="false" placeholder="请输入密码">
          <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
        </a-input>
      </a-form-model-item>
      <a-row :gutter="0">
        <a-col :span="16">
          <a-form-model-item required prop="inputCode">
            <a-input v-model="model.inputCode" size="large" type="text" placeholder="请输入验证码">
              <a-icon slot="prefix" type="smile" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-model-item>
        </a-col>
        <a-col :span="8" style="text-align: right">
          <img v-if="requestCodeSuccess" style="margin-top: 2px;" :src="randCodeImage" @click="handleChangeCheckCode" />
          <img v-else style="margin-top: 2px;" src="../../assets/checkcode.png" @click="handleChangeCheckCode" />
        </a-col>
      </a-row>
    </a-form-model>
  </div>
</template>
<script>
import { getAction } from '@/api/manage'
import Vue from 'vue'
import { mapActions } from 'vuex'

export default {
  name: 'LoginAccount',
  data() {
    return {
      requestCodeSuccess: false,
      randCodeImage: '',
      currdatetime: '',
      loginType: 0,
      model: {
        username: '',
        password: '',
        inputCode: ''
      },
      validatorRules: {
        username: [{ required: true, message: '请输入用户名!' }, { validator: this.handleUsernameOrEmail }],
        password: [
          {
            required: true,
            message: '请输入密码!',
            validator: 'click'
          }
        ],
        inputCode: [
          {
            required: true,
            message: '请输入验证码!'
          }
        ]
      }
    }
  },
  created() {
    this.handleChangeCheckCode()
  },
  methods: {
    ...mapActions(['Login']),
    /**刷新验证码*/
    handleChangeCheckCode() {
      this.currdatetime = new Date().getTime()
      this.model.inputCode = ''
      getAction(`/sys/randomImage/${this.currdatetime}`)
        .then(res => {
          if (res.success) {
            this.randCodeImage = res.result
            this.requestCodeSuccess = true
          } else {
            this.$message.error(res.message)
            this.requestCodeSuccess = false
          }
        })
        .catch(() => {
          this.requestCodeSuccess = false
        })
    },
    // 判断登录类型
    handleUsernameOrEmail(rule, value, callback) {
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        this.loginType = 0
      } else {
        this.loginType = 1
      }
      callback()
    },
    /**
     * 验证字段
     * @param arr
     * @param callback
     */
    validateFields(arr, callback) {
      let promiseArray = []
      for (let item of arr) {
        let p = new Promise((resolve, reject) => {
          this.$refs['form'].validateField(item, err => {
            if (!err) {
              resolve()
            } else {
              reject(err)
            }
          })
        })
        promiseArray.push(p)
      }
      Promise.all(promiseArray)
        .then(() => {
          callback()
        })
        .catch(err => {
          callback(err)
        })
    },
    acceptUsername(username) {
      this.model['username'] = username
    },
    //账号密码登录
    handleLogin(rememberMe) {
      this.validateFields(['username', 'password', 'inputCode'], err => {
        if (!err) {
          let loginParams = {
            username: this.model.username,
            password: this.model.password,
            captcha: this.model.inputCode,
            checkKey: this.currdatetime,
            remember_me: rememberMe
          }
          console.log('登录参数', loginParams)
          this.Login(loginParams)
            .then(res => {
              this.$emit('success', res.result)
            })
            .catch(err => {
              //update-begin-author: taoyan date:20220425 for: 登录页面，当输入验证码错误时，验证码图片要刷新一下，而不是保持旧的验证码图片不变 #41
              if (err && err.code === 412) {
                this.handleChangeCheckCode()
              }
              //update-end-author: taoyan date:20220425 for: 登录页面，当输入验证码错误时，验证码图片要刷新一下，而不是保持旧的验证码图片不变 #41
              this.$emit('fail', err)
            })
        } else {
          this.$emit('validateFail')
        }
      })
    }
  }
}
</script>

<style scoped></style>
